H2P-128
Equations of motion
H2 Physics · JC 1 · Medium · Equations of motion
A car travelling at 20 m s⁻¹ begins to brake uniformly and comes to rest after 40 m.
Using the kinematic equation relating speed, distance and acceleration, find the magnitude of the car’s deceleration.
Using the kinematic equation relating speed, distance and acceleration, find the magnitude of the car’s deceleration.
- 5.0 m s⁻²
- 2.0 m s⁻²
- 10 m s⁻²
- 0.50 m s⁻²
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